diff options
| author | Waldemar Brodkorb <wbx@openadk.org> | 2016-05-28 18:12:58 +0200 |
|---|---|---|
| committer | Waldemar Brodkorb <wbx@uclibc-ng.org> | 2016-11-04 00:03:07 +0100 |
| commit | b8fcdddcbb192fc367ff04bbd753b9deb69b09f3 (patch) | |
| tree | 8febdb9d4e3d090e9273c29df9ff06116196c8e4 /libc/sysdeps/linux/nios2/__longjmp.S | |
| parent | 191739597c6d380692885cfdd8dd8aa4f31f029d (diff) | |
nios2: sync support with glibc
Only static linking is supported for now.
More debugging and analyzing for ld.so, TLS and NPTL
is required. But at least you can bootup a static
root fileystem in Qemu.
Diffstat (limited to 'libc/sysdeps/linux/nios2/__longjmp.S')
| -rw-r--r-- | libc/sysdeps/linux/nios2/__longjmp.S | 71 |
1 files changed, 31 insertions, 40 deletions
diff --git a/libc/sysdeps/linux/nios2/__longjmp.S b/libc/sysdeps/linux/nios2/__longjmp.S index 7df599768..3f112f15f 100644 --- a/libc/sysdeps/linux/nios2/__longjmp.S +++ b/libc/sysdeps/linux/nios2/__longjmp.S @@ -1,48 +1,39 @@ -/* - * libc/sysdeps/linux/nios2/__longjmp.S - * - * Copyright (C) 2004,05,06 Microtronix Datacom Ltd - * - * This file is subject to the terms and conditions of the GNU Lesser - * General Public License. See the file COPYING.LIB in the main - * directory of this archive for more details. - * - * Written by Wentao Xu <wentao@microtronix.com> - * - */ +/* longjmp for Nios II. + Copyright (C) 2015-2016 Free Software Foundation, Inc. + This file is part of the GNU C Library. -#include <features.h> -#include <jmpbuf-offsets.h> + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public License as + published by the Free Software Foundation; either version 2.1 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library. If not, see + <http://www.gnu.org/licenses/>. */ -.globl __longjmp -.type __longjmp,@function -.balign 4 +#include <sysdep.h> +#include <jmpbuf-offsets.h> -__longjmp: - /* return value is in r5*/ +ENTRY (__longjmp) mov r2, r5 - - /* jmp_buf in r4, restore regs. */ - ldw r16, (JB_REGS+ 0)(r4) - ldw r17, (JB_REGS+ 4)(r4) - ldw r18, (JB_REGS+ 8)(r4) - ldw r19, (JB_REGS+12)(r4) - ldw r20, (JB_REGS+16)(r4) - ldw r21, (JB_REGS+20)(r4) - ldw r22, (JB_REGS+24)(r4) - ldw r23, (JB_REGS+28)(r4) - - ldw ra, JB_PC(r4) - ldw fp, JB_FP(r4) - ldw gp, JB_GP(r4) - ldw sp, JB_SP(r4) - -#ifdef __UCLIBC_HAS_FPU__ - RESTORE_FPU r4 JB_FPREGS -#endif - /* return to saved RA */ + ldw r16, (JB_R16*4)(r4) + ldw r17, (JB_R17*4)(r4) + ldw r18, (JB_R18*4)(r4) + ldw r19, (JB_R19*4)(r4) + ldw r20, (JB_R20*4)(r4) + ldw r21, (JB_R21*4)(r4) + ldw r22, (JB_R22*4)(r4) + ldw fp, (JB_FP*4)(r4) + ldw ra, (JB_RA*4)(r4) + ldw sp, (JB_SP*4)(r4) + ret -.size __longjmp,.-__longjmp +END (__longjmp) libc_hidden_def(__longjmp) |